behavior_packs/vanilla/entities/egg.json

{
  "format_version": "1.26.0",
  "minecraft:entity": {
    "description": {
      "identifier": "minecraft:egg",
      "is_experimental": false,
      "is_summonable": true,
      "is_spawnable": false,
      "spawn_category": "misc"
    },
    "components": {
      "minecraft:collision_box": {
        "height": 0.25,
        "width": 0.25
      },
      "minecraft:physics": {},
      "minecraft:projectile": {
        "angle_offset": 0.0,
        "on_hit": {
          "impact_damage": {
            "apply_knockback_to_blocking_targets": true,
            "damage": 0,
            "knockback": true,
            "destroy_on_hit": true
          },
          "spawn_chance": {
            "first_spawn_chance": 8,
            "first_spawn_count": 1,
            "spawn_baby": true,
            "second_spawn_chance": 32,
            "second_spawn_count": 4,
            "spawn_definition": "minecraft:chicken"
          },
          "particle_on_hit": {
            "num_particles": 6,
            "on_other_hit": true,
            "on_entity_hit": true,
            "particle_type": "iconcrack"
          },
          "remove_on_hit": {}
        },
        "gravity": 0.03,
        "power": 1.5
      },
      "minecraft:pushable": {
        "is_pushable": true,
        "is_pushable_by_piston": true
      }
    },
    "events": null
  }
}